370. Potyrailo, R.A. and Hieftje, G.M., Use of the Original
Silicone Cladding of an Optical Fiber as a Reagent-Immobilization Medium
for Intrinsic Chemical Sensors. Fres. J. Anal. Chem., 364(1/2),
32-40, (1999).

28. Hieftje, G.M., Haugen, G.R., and Ramsey, J.M., New Method for
the Determination of Luminescence Lifetimes by Using the Beat Noise of a
CW Laser as a Multifrequency-Modulated Source. Appl. Phys. Lett., 30, 463-466, (1977). [link]